<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="16">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>

      <el-table :data="goodsList" stripe border>
        <el-table-column type="index" label="序号" width="50"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"> </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="102"> </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="77"> </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="167">
          <template slot-scope="scope">
            {{ scope.row.add_time | dataFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="143">
          <template slot-scope="operate">
            <el-button type="primary" size="mini" @click="showEditDialog(operate.row)">编辑</el-button>
            <el-button type="danger" size="mini" @click="deleteGood(operate.row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handlePageSizeChange"
        @current-change="handleCurrentPagenumChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0
    }
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    showEditDialog() {},
    async deleteGood(row) {
      const result = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (result !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${row.goods_id}`)
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.$message.success(res.meta.msg)
      this.getGoodsList()
    },
    handlePageSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentPagenumChange(newPagenum) {
      this.queryInfo.pagenum = newPagenum
      this.getGoodsList()
    },
    goAddPage() {
      this.$router.push('/goods/add')
    }
  },
  created() {
    this.getGoodsList()
  }
}
</script>

<style lang="less" scoped></style>
